package com.chinasofti;

public class Demo08 {

    public static void change(int[] arr) {
        arr[0]= 200;
    }
    public static void main(String[] args) {
        int [ ] arr = {100};
        System.out.println("变化前"+arr[0]);
        change(arr );
        System.out.println("变化前"+arr[0]);
    }
}
